摘要：【中文】本发明涉及一种连接器，所述连接器包括直动驱动装置、直动导向装置、推块执行装置和下毂座，所述直动驱动装置包括第一驱动元件和驱动板，所述第一驱动元件驱动所述驱动板沿所述直动导向装置上下往复运动；所述推块执行装置包括第二驱动元件和推块，所述第二驱动元件驱动所述推块左右往复运动，所述推块执行装置设置于所述直动驱动装置的驱动板上；所述下毂座上设有推块连接件，所述推块连接件适于与所述推块连接。本发明不仅能实现深水钻井隔水管的快速连接与脱离，而且可以防止连接器意外脱离。 【EN】The invention relates to a connector which comprises a direct-acting driving device, a direct-acting guide device, a push block executing device and a lower hub seat, wherein the direct-acting driving device comprises a first driving element and a driving plate, and the first driving element drives the driving plate to reciprocate up and down along the direct-acting guide device; the push block executing device comprises a second driving element and a push block, the second driving element drives the push block to reciprocate left and right, and the push block executing device is arranged on a driving plate of the direct-acting driving device; and the lower hub seat is provided with a push block connecting piece which is suitable for being connected with the push block. The invention can not only realize the quick connection and disconnection of the deepwater drilling riser, but also prevent the connector from being accidentally disconnected.

摘要：【中文】本发明公开了一种测定泥页岩吸水扩散系数的试验装置及方法。所述试验装置包括一高压釜；高压釜内设有泥页岩厚壁圆柱筒；泥页岩厚壁圆柱筒的两端密封设置，且泥页岩厚壁圆柱筒的上端口连接入口管线，下端口连接出口管线，入口管线和出口管线的另一端延均伸至高压釜之外，实现钻井液循环；泥页岩厚壁圆柱筒的上端设有轴向应力施加装置。本发明试验装置可以模拟钻井液的循环流动，因此可以分析滤饼性质对泥页岩吸水特征的影响规律。本发明吸水扩散系数试验装置可以研究井下温压条件、钻井液性能等因素对泥页岩吸水特性的影响，并能够定量测定吸水扩散系数，有助于优化防塌钻井液性能，防止泥页岩井壁周期性坍塌，对于安全有效钻井具有重要的意义。 【EN】The invention discloses a test device and a method for measuring a water absorption diffusion coefficient of shale. The test apparatus comprises an autoclave; a thick-walled cylindrical barrel of shale is arranged in the high-pressure kettle; two ends of the shale thick-wall cylindrical barrel are hermetically arranged, the upper port of the shale thick-wall cylindrical barrel is connected with an inlet pipeline, the lower port of the shale thick-wall cylindrical barrel is connected with an outlet pipeline, and the other ends of the inlet pipeline and the outlet pipeline extend out of the high-pressure kettle, so that circulation of drilling fluid is realized; and an axial stress applying device is arranged at the upper end of the thick-wall cylindrical barrel of the shale. The testing device can simulate the circulating flow of the drilling fluid, so that the influence rule of the filter cake property on the water absorption characteristic of the shale can be analyzed. The water absorption diffusion coefficient test device can be used for researching the influence of factors such as underground temperature and pressure conditions and drilling fluid performance on the water absorption characteristics of the shale, can be used for quantitatively measuring the water absorption diffusion coefficient, is beneficial to optimizing the performance of the anti-collapse drilling fluid, prevents the periodic collapse of the shale well wall, and has important significance for safe and effective drilling.

摘要：【中文】本发明涉及一种智能完井井下流量阀地面控制超高压液压系统，包括液压站总成、液压管线总成和压力选择总成；液压管线总成包括高压油路、低压油路、回油油路和辅助管线；压力选择总成包括三个压力选择组，各压力选择组均设置有高压接口、低压接口、回油接口和辅助接口；高压油路和低压油路的输入端均与液压站总成相连，高压油路和低压油路的输出端分别与压力选择总成的高压接口和低压接口相连；回油油路的输入端与压力选择总成的回油接口相连，输出端与液压站总成相连；辅助管线一端与压力选择总成的辅助接口相连，另一端分别与高压油路、低压油路和回油油路相连。本发明可以广泛应用于井下流量阀液压控制技术领域。 【EN】The invention relates to an intelligent well completion downhole flow valve ground control ultrahigh pressure hydraulic system which comprises a hydraulic station assembly, a hydraulic pipeline assembly and a pressure selection assembly, wherein the hydraulic station assembly comprises a hydraulic pipe and a hydraulic pipe; the hydraulic pipeline assembly comprises a high-pressure oil way, a low-pressure oil way, an oil return oil way and an auxiliary pipeline; the pressure selection assembly comprises three pressure selection groups, and each pressure selection group is provided with a high-pressure interface, a low-pressure interface, an oil return interface and an auxiliary interface; the input ends of the high-pressure oil path and the low-pressure oil path are connected with the hydraulic station assembly, and the output ends of the high-pressure oil path and the low-pressure oil path are respectively connected with a high-pressure interface and a low-pressure interface of the pressure selection assembly; the input end of the oil return oil way is connected with an oil return interface of the pressure selection assembly, and the output end of the oil return oil way is connected with the hydraulic station assembly; one end of the auxiliary pipeline is connected with an auxiliary interface of the pressure selection assembly, and the other end of the auxiliary pipeline is respectively connected with the high-pressure oil path, the low-pressure oil path and the oil return oil path. The invention can be widely applied to the technical field of hydraulic control of the underground flow valve.

摘要：【中文】本发明公开了一种降低浮式钻井平台悬挂隔水管轴向动载荷的液压系统，包括执行机构和液控系统，执行液缸的顶端部设置有悬挂端面，液压缸内设有活塞杆，所述活塞杆内穿设有悬挂短节，悬挂短节的动力输出端与若干对接的隔水管的动力输入端固定连接。本发明公开的液压系统应用于海洋浮式钻井平台进行隔水管悬挂时，采用半主动补偿加速度动载荷削峰法，通过控制器监测加速度并控制执行液缸无杆腔的压力进而减小隔水管因升沉运动产生的动载，简化了作业流程，确保悬挂隔水管的安全，还避免当升沉过于剧烈的时候补偿冲程超出设备能力而造成设备的损坏。 【EN】The invention discloses a hydraulic system for reducing axial dynamic load of a floating drilling platform suspension riser, which comprises an execution mechanism and a hydraulic control system, wherein the top end part of an execution hydraulic cylinder is provided with a suspension end face, a piston rod is arranged in the hydraulic cylinder, a suspension short section is arranged in the piston rod in a penetrating manner, and the power output end of the suspension short section is fixedly connected with the power input ends of a plurality of butted riser pipes. When the hydraulic system disclosed by the invention is applied to the marine floating drilling platform for hanging the marine riser, a semi-active compensation acceleration dynamic load peak clipping method is adopted, the acceleration is monitored by a controller, the pressure of a rodless cavity of an execution hydraulic cylinder is controlled, the dynamic load of the marine riser caused by heave motion is reduced, the operation flow is simplified, the safety of the suspended marine riser is ensured, and the damage of equipment caused by the fact that a compensation stroke exceeds the capacity of the equipment when the heave is too severe is also avoided.

摘要：【中文】本发明公开了一种井下流量控制阀，包括上阀体、第一级液缸内筒、第一级活塞、第二级活塞、下阀体和节流阀套；第一级液缸内筒设置在上阀体的内部；第一级活塞设置在上阀体内，第一级液缸内筒的第一台阶端面及其外周壁、上阀体以及第一级活塞之间围成第一油腔，第一级液缸内筒的外周壁及其第二台阶端面、第一级活塞的内周壁及其第一台阶端面之间围成第二油腔，第二级活塞设置在上阀体内，第一级活塞的第二台阶端面及其外周壁、上阀体以及第二级活塞之间围成第三油腔，第一级活塞的第三台阶端面及其外周壁、第二级活塞的第一台阶端面及其内周壁之间围成第四油腔；下阀体连接在上阀体的另一端，节流阀套固定设置在下阀体内。 【EN】The invention discloses an underground flow control valve which comprises an upper valve body, a first-stage hydraulic cylinder inner cylinder, a first-stage piston, a second-stage piston, a lower valve body and a throttle valve sleeve, wherein the upper valve body is connected with the first-stage hydraulic cylinder inner cylinder; the first-stage hydraulic cylinder inner cylinder is arranged inside the upper valve body; the first-stage piston is arranged in the upper valve body, a first oil cavity is defined by a first step end face of the first-stage hydraulic cylinder inner cylinder and an outer peripheral wall thereof, and a first oil cavity is defined by the upper valve body and the first-stage piston, a second oil cavity is defined by an outer peripheral wall of the first-stage hydraulic cylinder inner cylinder and a second step end face thereof, and a second oil cavity is defined by an inner peripheral wall of the first-stage piston and a first step end face thereof, the second-stage piston is arranged in the upper valve body, a third oil cavity is defined by a second step end face of the first-stage piston and an outer peripheral wall thereof, and a fourth oil cavity is defined by a third step end face of the first-stage piston and an outer peripheral wall thereof; the lower valve body is connected to the other end of the upper valve body, and the throttle valve sleeve is fixedly arranged in the lower valve body.

摘要：【中文】本发明涉及一种张力腿平台丛式井批量钻井方法，其特征在于包括下步骤：1)对需要进行批量钻井的张力腿平台丛式井的配置情况进行分析，并根据确定的钻井立管与钻杆配置情况建立钻杆‑钻井立管有限元分析模型；2)进行批量钻井模拟，得到钻杆‑钻井立管有限元分析模型在不同钻井偏移距离状态下的模拟结果；3)基于预先建立的批量钻井限制准则对步骤2)得到的模拟结果进行有限元分析，确定对该张力腿平台丛式井进行批量钻井时的最大钻井范围。本发明方法可大大提高张力腿平台钻井作业的效率，提高钻井立管与平台利用率及经济效益，因而可以广泛应用于张力腿平台丛式井批量钻井领域。 【EN】The invention relates to a tension leg platform cluster well batch drilling method which is characterized by comprising the following steps: 1) analyzing the configuration condition of tension leg platform cluster wells needing batch drilling, and establishing a drill pipe-drill pipe finite element analysis model according to the determined configuration condition of the drill pipe and the drill pipe; 2) performing batch drilling simulation to obtain simulation results of the drill pipe-drilling riser finite element analysis model under different drilling offset distance states; 3) performing finite element analysis on the simulation result obtained in the step 2) based on a pre-established batch drilling limiting criterion, and determining the maximum drilling range when batch drilling is performed on the tension leg platform cluster well. The method can greatly improve the efficiency of the drilling operation of the tension leg platform, and improve the utilization rate and the economic benefit of the drilling vertical pipe and the platform, thereby being widely applied to the field of batch drilling of cluster wells of the tension leg platform.

摘要：【中文】本发明涉及一种液压散热系统、隔水管悬挂装置液压系统及散热方法。液压散热系统包括高压回路和低压回路，高压回路和低压回路分别与差动液压缸连接，高压回路包括高压蓄能器、节流阀块、高压溢流阀和第一单向阀，第一单向阀的与差动液压缸的有杆腔连接，与节流阀块和差动液压缸的无杆腔均连接，节流阀块的另一端与高压蓄能器和高压溢流阀均连接；低压回路包括低压蓄能器、冷却器、液压泵和第二单向阀，第二单向阀与差动液压缸的有杆腔连接，与低压蓄能器和冷却器均连接，冷却器与液压泵连接，液压泵与高压溢流阀连接。本发明使得低压回路的冷却液压油可以进入液压缸，并与高压回路的高温液压油混合，从而降低高压回路液压油的温度。 【EN】The invention relates to a hydraulic heat dissipation system, a riser suspension device hydraulic system and a heat dissipation method. The hydraulic heat dissipation system comprises a high-pressure loop and a low-pressure loop, the high-pressure loop and the low-pressure loop are respectively connected with the differential hydraulic cylinder, the high-pressure loop comprises a high-pressure energy accumulator, a throttle valve block, a high-pressure overflow valve and a first one-way valve, the first one-way valve is connected with a rod cavity of the differential hydraulic cylinder and is connected with the throttle valve block and a rodless cavity of the differential hydraulic cylinder, and the other end of the throttle valve block is connected with the high-pressure energy accumulator and the high-pressure overflow valve; the low-pressure loop comprises a low-pressure energy accumulator, a cooler, a hydraulic pump and a second one-way valve, the second one-way valve is connected with a rod cavity of the differential hydraulic cylinder and is connected with the low-pressure energy accumulator and the cooler, the cooler is connected with the hydraulic pump, and the hydraulic pump is connected with the high-pressure overflow valve. The invention enables the cooling hydraulic oil of the low-pressure loop to enter the hydraulic cylinder and be mixed with the high-temperature hydraulic oil of the high-pressure loop, thereby reducing the temperature of the hydraulic oil of the high-pressure loop.

摘要：【中文】本发明涉及一种软悬挂状态下的隔水管安全监测系统及方法，该系统包括隔水管应力应变监测系统、顶部柔性接头倾角监测系统、激光干涉监测系统、信息融合中心和平台控制中心；平台控制中心在平台附近有台风或其他危险情况时发送台风预警指令到各监测系统；信息隔水管应力应变监测系统对隔水管的应力应变参数进行实时测量；顶部柔性接头倾角监测系统对隔水管顶部饶性接头偏角参数进行实时测量；激光干涉监测系统对隔水管中心偏移量参数进行实时测量；信息融合中心将各实时测量值与参数预警值进行比较，当大于参数预警值时，发送预警信息到平台控制中心；平台控制中心对平台的速度及方向进行调整。本发明可以广泛应用于石油管道监测领域。 【EN】The invention relates to a riser safety monitoring system and a method in a soft suspension state, wherein the system comprises a riser stress-strain monitoring system, a top flexible joint inclination angle monitoring system, a laser interference monitoring system, an information fusion center and a platform control center; the platform control center sends typhoon early warning instructions to each monitoring system when typhoon or other dangerous conditions exist near the platform; the stress-strain monitoring system of the information marine riser measures the stress-strain parameters of the marine riser in real time; the top flexible joint inclination angle monitoring system measures deflection angle parameters of a flexible joint at the top of the marine riser in real time; the laser interference monitoring system measures the central offset parameter of the marine riser in real time; the information fusion center compares each real-time measurement value with the parameter early warning value, and when the real-time measurement value is greater than the parameter early warning value, the information fusion center sends early warning information to the platform control center; the platform control center adjusts the speed and the direction of the platform. The invention can be widely applied to the petroleum pipeline monitoring field.

摘要：【中文】本发明涉及一种用于水声通信的两级唤醒电路及其唤醒方法，两级唤醒电路分别与接收节点和接收换能器相连，接收换能器通过发送换能器与发送节点进行数据通信，其特征在于：两级唤醒电路包括信号预处理模块和单片机模块；信号预处理模块持续对通信信道进行监测，当接收换能器发送唤醒信号时，对接收到的唤醒信号进行预处理后发送到单片机模块；单片机模块根据预设电压阈值对预处理结果进行判断，当预处理后的唤醒信号超过预设电压阈值时，则对预处理后的唤醒信号进行有效性判断，并产生两路信号，一路为用于唤醒接收节点的中断信号，另一路为对预处理后的唤醒信号进行识别处理的信号。本发明可以广泛应用于水声通信领域。 【EN】The invention relates to a two-stage wake-up circuit for underwater acoustic communication and a wake-up method thereof, wherein the two-stage wake-up circuit is respectively connected with a receiving node and a receiving transducer, and the receiving transducer carries out data communication with a sending node through the sending transducer, and the wake-up circuit is characterized in that: the two-stage wake-up circuit comprises a signal preprocessing module and a singlechip module; the signal preprocessing module continuously monitors the communication channel, and when the receiving transducer sends the wake-up signal, the received wake-up signal is preprocessed and then sent to the single chip microcomputer module; and the single chip microcomputer module judges the preprocessing result according to a preset voltage threshold, and when the preprocessed wake-up signal exceeds the preset voltage threshold, the effectiveness judgment is carried out on the preprocessed wake-up signal, and two paths of signals are generated, wherein one path of signals is an interrupt signal for waking up a receiving node, and the other path of signals is a signal for identifying the preprocessed wake-up signal. The invention can be widely applied to the field of underwater acoustic communication.

摘要：【中文】本发明公开了一种高温高压旋转条件下钻井液中气泡上升速度测试装置和方法。所述测试装置包括一模拟井筒和一模拟钻柱，模拟钻柱设于模拟井筒内，且两者形成环形空间；模拟井筒的底部连接液相储罐和气相储集瓶，气相储集瓶还通过一管线与模拟井筒的顶部相连通；模拟井筒的外壁设有可视窗口；测试装置还包括摄像机。本发明测试装置可以模拟真实钻井过程中的环空结构，因此可以分析气泡在不同环空空间内上升时壁面对气泡上升速度的影响；还可以模拟钻柱旋转引起环空流体螺旋流动的现象，因此可以分析钻柱旋转对气体螺旋上升速度的影响规律；同时可以模拟高温高压环境，因此实验装置中的气体性质更接近实际钻井时侵入井筒中的气体性质。 【EN】The invention discloses a device and a method for testing the rising speed of bubbles in drilling fluid under the high-temperature and high-pressure rotating condition. The testing device comprises a simulated shaft and a simulated drill string, wherein the simulated drill string is arranged in the simulated shaft and forms an annular space; the bottom of the simulation shaft is connected with a liquid phase storage tank and a gas phase storage bottle, and the gas phase storage bottle is also communicated with the top of the simulation shaft through a pipeline; a visible window is arranged on the outer wall of the simulation shaft; the testing device also includes a camera. The testing device can simulate the annular structure in the real drilling process, so that the influence of the wall surface on the rising speed of bubbles when the bubbles rise in different annular spaces can be analyzed; the phenomenon that annular fluid spirally flows due to the rotation of the drill string can be simulated, so that the influence rule of the rotation of the drill string on the spiral rising speed of the gas can be analyzed; meanwhile, the high-temperature and high-pressure environment can be simulated, so that the property of the gas in the experimental device is closer to the property of the gas invading into a well bore during actual drilling.